35
36
KEYCOMMENT_ORIG="$KEYCOMMENT"
39
if [ ! -d "$KEYDIR" ]; then
40
KEYDIR="/etc/mandos/keys"
39
TEMP=`getopt --options vhd:t:l:n:e:c:x:f \
40
--longoptions version,help,password,dir:,type:,length:,subtype:,sublength:,name:,email:,comment:,expire:,force \
44
TEMP=`getopt --options vhpF:d:t:l:s:L:n:e:c:x:f \
45
--longoptions version,help,password,passfile:,dir:,type:,length:,subtype:,sublength:,name:,email:,comment:,expire:,force \
41
46
--name "$0" -- "$@"`
49
54
$basename [ OPTIONS ]
50
55
Encrypted password creation:
51
56
$basename { -p | --password } [ --name NAME ] [ --dir DIR]
57
$basename { -F | --passfile } FILE [ --name NAME ] [ --dir DIR]
53
59
Key creation options:
54
60
-v, --version Show program's version number and exit
55
61
-h, --help Show this help message and exit
56
62
-d DIR, --dir DIR Target directory for key files
57
-t TYPE, --type TYPE Key type. Default is DSA.
63
-t TYPE, --type TYPE Key type. Default is RSA.
58
64
-l BITS, --length BITS
59
Key length in bits. Default is 2048.
65
Key length in bits. Default is 4096.
60
66
-s TYPE, --subtype TYPE
61
Subkey type. Default is ELG-E.
67
Subkey type. Default is RSA.
62
68
-L BITS, --sublength BITS
63
Subkey length in bits. Default is 2048.
69
Subkey length in bits. Default is 4096.
64
70
-n NAME, --name NAME Name of key. Default is the FQDN.
65
71
-e ADDRESS, --email ADDRESS
66
72
Email address of key. Default is empty.
70
76
-x TIME, --expire TIME
71
77
Key expire time. Default is no expiration.
72
78
See gpg(1) for syntax.
73
-f, --force Force overwriting old keys.
79
-f, --force Force overwriting old key files.
75
81
Password creation options:
76
-p, --password Create an encrypted password using the keys in
82
-p, --password Create an encrypted password using the key in
83
the key directory. All options other than
84
--dir and --name are ignored.
85
-F FILE, --passfile FILE
86
Encrypt a password from FILE using the key in
77
87
the key directory. All options other than
78
88
--dir and --name are ignored.
108
119
PUBKEYFILE="$KEYDIR/pubkey.txt"
110
121
# Check for some invalid values
111
if [ -d "$KEYDIR" ]; then :; else
122
if [ ! -d "$KEYDIR" ]; then
112
123
echo "$KEYDIR not a directory" >&2
115
if [ -w "$KEYDIR" ]; then :; else
116
echo "Directory $KEYDIR not writeable" >&2
120
if [ "$mode" = password -a -e "$KEYDIR/trustdb.gpg.lock" ]; then
121
echo "Key directory has locked trustdb; aborting." >&2
126
if [ ! -r "$KEYDIR" ]; then
127
echo "Directory $KEYDIR not readable" >&2
125
131
if [ "$mode" = keygen ]; then
132
if [ ! -w "$KEYDIR" ]; then
133
echo "Directory $KEYDIR not writeable" >&2
126
136
if [ -z "$KEYTYPE" ]; then
127
137
echo "Empty key type" >&2
162
172
if [ -n "$KEYEMAIL" ]; then
163
173
KEYEMAILLINE="Name-Email: $KEYEMAIL"
166
176
# Create temporary gpg batch file
167
BATCHFILE="`mktemp -t mandos-gpg-batch.XXXXXXXXXX`"
177
BATCHFILE="`mktemp -t mandos-keygen-batch.XXXXXXXXXX`"
170
180
if [ "$mode" = password ]; then
171
181
# Create temporary encrypted password file
172
SECFILE="`mktemp -t mandos-gpg-secfile.XXXXXXXXXX`"
175
# Create temporary key rings
176
SECRING="`mktemp -t mandos-gpg-secring.XXXXXXXXXX`"
177
PUBRING="`mktemp -t mandos-gpg-pubring.XXXXXXXXXX`"
179
if [ "$mode" = password ]; then
180
# If a trustdb.gpg file does not already exist, schedule it for
181
# deletion when we are done.
182
if ! [ -e "$KEYDIR/trustdb.gpg" ]; then
183
TRUSTDB="$KEYDIR/trustdb.gpg"
182
SECFILE="`mktemp -t mandos-keygen-secfile.XXXXXXXXXX`"
185
# Create temporary key ring directory
186
RINGDIR="`mktemp -d -t mandos-keygen-keyrings.XXXXXXXXXX`"
187
188
# Remove temporary files on exit
190
rm --force $PUBRING ${PUBRING}~ $BATCHFILE $TRUSTDB; \
191
shred --remove $SECRING $SECFILE; \
191
test -n \"$SECFILE\" && shred --remove \"$SECFILE\"; \
192
shred --remove \"$RINGDIR\"/sec*;
193
test -n \"$BATCHFILE\" && rm --force \"$BATCHFILE\"; \
194
rm --recursive --force \"$RINGDIR\";
195
tty --quiet && stty echo; \
197
202
if [ "$mode" = keygen ]; then
198
203
# Create batch file for GnuPG
199
204
cat >"$BATCHFILE" <<-EOF
200
205
Key-Type: $KEYTYPE
201
206
Key-Length: $KEYLENGTH
202
#Key-Usage: encrypt,sign,auth
203
208
Subkey-Type: $SUBKEYTYPE
204
209
Subkey-Length: $SUBKEYLENGTH
205
#Subkey-Usage: encrypt,sign,auth
210
Subkey-Usage: encrypt
206
211
Name-Real: $KEYNAME
209
214
Expire-Date: $KEYEXPIRE
210
215
#Preferences: <string>
211
216
#Handle: <no-spaces>
217
#%pubring pubring.gpg
218
#%secring secring.gpg
224
Note: Due to entropy requirements, key generation could take
225
anything from a few minutes to SEVERAL HOURS. Please be
226
patient and/or supply the system with more entropy if needed.
217
232
# Generate a new key in the key rings
218
gpg --no-random-seed-file --quiet --batch --no-tty \
219
--no-default-keyring --no-options --enable-dsa2 \
220
--secret-keyring "$SECRING" --keyring "$PUBRING" \
233
gpg --quiet --batch --no-tty --no-options --enable-dsa2 \
234
--homedir "$RINGDIR" --trust-model always \
221
235
--gen-key "$BATCHFILE"
222
236
rm --force "$BATCHFILE"
224
243
# Backup any old key files
225
244
if cp --backup=numbered --force "$SECKEYFILE" "$SECKEYFILE" \
226
245
2>/dev/null; then
240
259
FILECOMMENT="$FILECOMMENT <$KEYEMAIL>"
243
# Export keys from key rings to key files
244
gpg --no-random-seed-file --quiet --batch --no-tty --armor \
245
--no-default-keyring --no-options --enable-dsa2 \
246
--secret-keyring "$SECRING" --keyring "$PUBRING" \
247
--export-options export-minimal --comment "$FILECOMMENT" \
248
--output "$SECKEYFILE" --export-secret-keys
249
gpg --no-random-seed-file --quiet --batch --no-tty --armor \
250
--no-default-keyring --no-options --enable-dsa2 \
251
--secret-keyring "$SECRING" --keyring "$PUBRING" \
252
--export-options export-minimal --comment "$FILECOMMENT" \
253
--output "$PUBKEYFILE" --export
262
# Export key from key rings to key files
263
gpg --quiet --batch --no-tty --no-options --enable-dsa2 \
264
--homedir "$RINGDIR" --armor --export-options export-minimal \
265
--comment "$FILECOMMENT" --output "$SECKEYFILE" \
267
gpg --quiet --batch --no-tty --no-options --enable-dsa2 \
268
--homedir "$RINGDIR" --armor --export-options export-minimal \
269
--comment "$FILECOMMENT" --output "$PUBKEYFILE" --export
256
272
if [ "$mode" = password ]; then
257
# Import keys into temporary key rings
258
gpg --no-random-seed-file --quiet --batch --no-tty --armor \
259
--no-default-keyring --no-options --enable-dsa2 \
260
--homedir "$KEYDIR" --no-permission-warning \
261
--secret-keyring "$SECRING" --keyring "$PUBRING" \
262
--trust-model always --import "$SECKEYFILE"
263
gpg --no-random-seed-file --quiet --batch --no-tty --armor \
264
--no-default-keyring --no-options --enable-dsa2 \
265
--homedir "$KEYDIR" --no-permission-warning \
266
--secret-keyring "$SECRING" --keyring "$PUBRING" \
267
--trust-model always --import "$PUBKEYFILE"
273
# Import key into temporary key rings
274
gpg --quiet --batch --no-tty --no-options --enable-dsa2 \
275
--homedir "$RINGDIR" --trust-model always --armor \
276
--import "$SECKEYFILE"
277
gpg --quiet --batch --no-tty --no-options --enable-dsa2 \
278
--homedir "$RINGDIR" --trust-model always --armor \
279
--import "$PUBKEYFILE"
269
281
# Get fingerprint of key
270
FINGERPRINT="`gpg --no-random-seed-file --quiet --batch --no-tty \
271
--armor --no-default-keyring --no-options --enable-dsa2 \
272
--homedir \"$KEYDIR\" --no-permission-warning \
273
--secret-keyring \"$SECRING\" --keyring \"$PUBRING\" \
274
--trust-model always --fingerprint --with-colons \
275
| sed -n -e '/^fpr:/{s/^fpr:.*:\\([0-9A-Z]*\\):\$/\\1/p;q}'`"
282
FINGERPRINT="`gpg --quiet --batch --no-tty --no-options \
283
--enable-dsa2 --homedir \"$RINGDIR\" --trust-model always \
284
--fingerprint --with-colons \
286
--expression='/^fpr:/{s/^fpr:.*:\\([0-9A-Z]*\\):\$/\\1/p;q}'`"
277
288
test -n "$FINGERPRINT"
279
290
FILECOMMENT="Encrypted password for a Mandos client"
282
echo -n "Enter passphrase: " >&2
284
| gpg --no-random-seed-file --batch --no-tty --armor \
285
--no-default-keyring --no-options --enable-dsa2 \
286
--homedir "$KEYDIR" --no-permission-warning \
287
--secret-keyring "$SECRING" --keyring "$PUBRING" \
288
--trust-model always --encrypt --recipient "$FINGERPRINT" \
289
--comment "$FILECOMMENT" \
292
while [ ! -s "$SECFILE" ]; do
293
if [ -n "$PASSFILE" ]; then
296
tty --quiet && stty -echo
297
echo -n "Enter passphrase: " >&2
299
tty --quiet && echo >&2
300
echo -n "Repeat passphrase: " >&2
306
if [ "$first" != "$second" ]; then
307
echo "Passphrase mismatch" >&2
308
touch "$RINGDIR"/mismatch
312
fi | gpg --quiet --batch --no-tty --no-options --enable-dsa2 \
313
--homedir "$RINGDIR" --trust-model always --armor \
314
--encrypt --sign --recipient "$FINGERPRINT" --comment \
315
"$FILECOMMENT" > "$SECFILE"
316
if [ -e "$RINGDIR"/mismatch ]; then
317
rm --force "$RINGDIR"/mismatch
297
329
fingerprint = $FINGERPRINT
332
sed --quiet --expression='
301
333
/^-----BEGIN PGP MESSAGE-----$/,/^-----END PGP MESSAGE-----$/{
303
335
# Remove 24-bit Radix-64 checksum